The head pharmacist goes out to lunch leaving the assistant pharmacist in charge.When the head pharmacist returns from lunch he notices a man leaning against the wall.He asked the assistant what was wrong with the man leaning against the wall over there.The assistant pharmacist says,"Oh that guy.Oh yeah he came in a little while ago with a really bad cough so I sold him a laxative.He seems to be doing ok now..... I guess." The head pharmacist says,"Are you crazy?? You can't sell a laxative to someone who has a bad cough like that!?" The assistant pharmacist says "Well why not?? Look at him over there! Its working! He's too scared to cough now!!....."